Rozanov causality limit—a compulsive proportional thickness‐wavelength relationship (nd ∝ λ)—makes it challenging to develop perfect absorption with both thin thickness and low frequency. Herein, a cocktail effect in high‐entropy alloys (HEA) is crucially utilized for lowering plasma frequency to achieve epsilon‐near‐zero states, which finally enables ...
Peitao Xie +7 more
wiley +1 more source
Arbitrary Total Angular Momentum Vectorial Holography Using Bi‐Layer Metasurfaces
A bi‐layer metasurface platform is presented for arbitrary total angular momentum vectorial holography, where polarization and orbital angular momentum are exploited as independent multiplexing dimensions. By overcoming symmetry limitations of single‐layer designs, the approach generates distinct vectorial holographic images for each orthogonal TAM ...
Joonkyo Jung, Hyeonhee Kim, Jonghwa Shin
wiley +1 more source
PearSAN: A Machine Learning Method for Inverse Design Using Pearson Correlated Surrogate Annealing
A machine learning–assisted inverse design framework is introduced to overcome the curse of dimensionality in complex nanophotonic design problems. By leveraging Pearson‐correlated surrogate annealing (PearSAN) method within a generative latent space, rapid convergence toward optimal thermophotovoltaic metasurface designs is achieved, enabling precise ...
Michael Bezick +8 more
wiley +1 more source
Enhanced Numerical Equivalent Acoustic Material (eNEAM): Analytical and Numerical Framework for Porous Media with Thermo-Viscous Effects for Time Domain Simulations. [PDF]
Iglesias PC, Godinho L, Redondo J.
europepmc +1 more source
Au nanobipyramids (Au NBPs) with distinct Pt configurations—dense Pt layers (Au NBPs@Ptd), sparse Pt clusters (Au NBPs@Pts), and trace AuPt alloy (Au NBPs@Au/Ptalloy) were engineered. Au NBPs@Au/Ptalloy exhibited optimal performance in the photoelectrocatalytic nitrite‐to‐ammonia conversion.
Lin Wei +5 more
wiley +1 more source
Exploring potential hidden aspects of quantum field theory through numerical solution of the Klein-Gordon equation using the Yee algorithm. [PDF]
Honarbakhsh B.
europepmc +1 more source
Molecular fingerprinting for the detection of biomolecules is highly sensitive and noninvasive through the surface‐enhanced Raman scattering (SERS) effect. This is a report on the commercially competitive performance of gold‐coated periodic structures and black Si (aperiodic) nanostructures as plasmonic SERS substrates.
Desislava Daskalova +4 more
wiley +1 more source
Physic-informed deep operator networks for modeling 2D time-domain electromagnetic wave propagation in various media. [PDF]
Oh S, Lee E, Hong SK.
europepmc +1 more source
This review presents a rational design framework for high‐performance surface‐enhanced Raman spectroscopy (SERS) substrates enabling ultrasensitive detection. It first elucidates the dual enhancement mechanisms, namely the dominant electromagnetic enhancement arising from localized surface plasmon resonances and the complementary chemical enhancement ...
Xinwei Zhang +9 more
wiley +1 more source
Research on electromagnetic compatibility analysis of automation equipment based on generative adversarial networks and pulse sparse convolution. [PDF]
Ding W, Feng D.
europepmc +1 more source

